User Manual

61
RFID System
User's Manual
Section 4 Installing Antennas
Section 4
Installation
Effect of Surrounding Metals on the Antenna (Reference)
 V680-HS51
When embedding the Antenna in metal, be sure the metal does not extend beyond the tip of the
Antenna.
 V680-HS52
When embedding the Antenna in metal, be sure the metal does not extend beyond the tip of the
Antenna.
120 (±60) mm dia. min.
7 mm min.
Antenna
12 mm dia.
Surrounding metal
(steel)
Communications
distance
reduced by 50%.
Antenna
Surrounding metal
(steel)
40mm min.
R18 min.
Do not bend the cable into a curve tighter
than 18 mm in radius.
If the metal around the Antenna reaches the coil surface, the
communications distance will be reduced significantly com-
pared with mounting to a non-metallic surface.
130 (±65) mm dia. min.
22 mm dia.
R22 min.
15 mm min.
Surrounding metal
(steel)
Communications
distance
reduced by 50%.
Antenna
60mm min.
Surrounding metal
(steel)
Antenna
Do not bend the cable into a curve tighter
than 22 mm in radius.
If the metal around the Antenna reaches the coil surface, the
communications distance will be reduced significantly com-
pared with mounting to a non-metallic surface.